纯css实现图片自动闪光划过效果
<!DOCTYPE html><html><head><meta name="viewport" content="width=device-width, initial-scale=1"></head><style type="text/css">*, *:before, *:after { -webkit-box-sizing: inherit; -moz-box-sizing: inherit; box-sizing: inherit; }.logo_flash{ position: relative; margin: 0 auto; transition-duration: .5s; }.logo_flash{ width: 255px; overflow: hidden; }.logo_flash:before{content:"";position: absolute;left: -665px;top: -460px;width: 200px;height: 15px;background-color: rgba(255,255,255,.5);-webkit-transform: rotate(-45deg);-moz-transform: rotate(-45deg);-ms-transform: rotate(-45deg);-o-transform: rotate(-45deg);transform: rotate(-45deg);-webkit-animation: searchLights 1s ease-in 1s infinite;-o-animation: searchLights 1s ease-in 1s infinite;animation: searchLights 1s ease-in 1s infinite;}@-webkit-keyframes searchLights {0% { left: -100px; top: 0; }to { left: 120px; top: 100px; }}@-o-keyframes searchLights {0% { left: -100px; top: 0; }to { left: 120px; top: 100px; }}@-moz-keyframes searchLights {0% { left: -100px; top: 0; }to { left: 120px; top: 100px; }}@keyframes searchLights {0% { left: -100px; top: 0; }to { left: 120px; top: 100px; }}</style><body><div class="logo_flash"><a href="/"><img src="/wp-content/uploads//03/logo.png" width="255" height="75" alt=""></a></div></body></html>